Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Light Rain

60°F

16°C

Humidity	96%
Wind Speed	S 14 G 23 mph
Barometer	29.72 in (1006.2 mb)
Dewpoint	59°F (15°C)
Visibility	9.00 mi
Last update	16 Mar 3:52 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Catharpin VA

Overnight
Low: 54 °F
Chance
Showers
Monday
High: 72 °F
Breezy.
Showers
Likely then
Severe
Thunderstorms
Monday Night
Low: 28 °F
Severe
Thunderstorms
then Showers
Likely
Tuesday
High: 40 °F
Increasing
Clouds
Tuesday Night
Low: 22 °F
Mostly Clear
Wednesday
High: 41 °F
Partly Sunny
Wednesday Night
Low: 27 °F
Mostly Cloudy
Thursday
High: 53 °F
Partly Sunny
Thursday Night
Low: 36 °F
Mostly Cloudy

Detailed Forecast

Overnight

A chance of showers, with thunderstorms also possible after 5am. Cloudy, with a low around 54. South wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

Monday

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 72. Breezy, with a south wind 15 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night

Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Some of the storms could be severe. Low around 28. West wind 10 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday

Increasing clouds, with a high near 40. West wind 9 to 16 mph, with gusts as high as 26 mph.

Tuesday Night

Mostly clear, with a low around 22. Northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 18 mph.

Wednesday

Partly sunny, with a high near 41.

Wednesday Night

Mostly cloudy, with a low around 27.

Thursday

Partly sunny, with a high near 53.

Thursday Night

Mostly cloudy, with a low around 36.